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Pericom Semiconductor Corporation

PI3PCIE2415 Datasheet Preview

PI3PCIE2415 Datasheet

2:1 Mux/DeMux Switch

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PI3PCIE2415
3.3V PCI Express® 2.0, 2-Lane, 2:1 Mux/DeMux Switch
Features
ÎÎ4 Differential Channel, 2:1 Mux/DeMux
ÎÎPCI Express® 2.0 Performance, 5.0Gbps
ÎÎPinout optimized for placement between two PCIe slots
ÎÎBi-directional operation
ÎÎLow Bit-to-Bit Skew, 5ps max
ÎÎLow Crosstalk: -26dB@5 GHz
ÎÎLow Off Isolation: -20dB@5 GHz
ÎÎVDD Operating Range: +3.3V
ÎÎESD Tolerance: 2kV HBM
ÎÎLow channel-to-channel skew, 35ps max
ÎÎPackaging (Pb-free & Green):
àà 42-contact, TQFN (ZH42)
Description
Pericom Semiconductor’s PI3PCIE2415 is an 8 to 4 differential
channel multiplexer/demultiplexer switch. This solution can
switch 2 full PCI Express® 2.0, lanes to one of two locations.
Using a unique design technique, Pericom has been able to
minimize the impedance of the switch such that the attenuation
observed through the switch is negligible. The unique design
technique also offers a layout targeted for PCI Express signals,
which minimizes the channel to channel skew as well as channel
to channel crosstalk as required by the PCI Express specifica-
tion.
Application
Routing of PCIe® 2.0, signals with low signal attenuation.
Block Diagram
Pin Description (Top-Side View)
AI +
AI
BI +
BI
CI +
CI
DI +
DI
SEL
AOa +
AOa
BOa +
BOa
AOb +
AOb
BOb +
BOb
COa +
COa
DOa +
DOa
COb +
COb
DOb +
DOb
Truth Table
Function
xIy to xOay
xIy to xOby
SEL
L
H
All trademarks are property of their respective owners.
13-0009
1
AI+
AI-
AOb+
AOb-
BI+
BI-
BOb+
BOb-
VDD
CI+
CI-
COb+
COb-
DI+
DI-
DOb+
DOb-
42 41 40 39
1 38
2 37
3 36
4 35
5 34
6 33
7 32
8 31
9 GND 30
10 29
11 28
12 27
13 26
14 25
15 24
16 23
17 22
18 19 20 21
GND
AOa+
AOa-
GND
VDD
BOa+
BOa-
VDD
SEL
GND
COa+
COa-
VDD
GND
DOa+
DOa-
GND
www.pericom.com PS8945B.1 03/20/13




Pericom Semiconductor Corporation

PI3PCIE2415 Datasheet Preview

PI3PCIE2415 Datasheet

2:1 Mux/DeMux Switch

No Preview Available !

PI3PCIE2415
3.3V PCI Express® 2.0, 2-Lane, 2:1 Mux/DeMux Switch
Signal Descriptions
Pin Number Pin Name
1, AI+,
2 AI-
37, AOa+,
36 AOa-
3, AOb+,
4 AOb-
5, BI+,
6 BI-
33, BOa+,
32 BOa-
7, BOb+,
8 BOb-
10, CI+,
11 CI-
28, COa+,
27 COa-
12, COb+,
13 COb-
14, DI+,
15 DI-
24, DOa+,
23 DOa-
16, DOb+,
17 DOb-
18, 20, 22, 25, 29,
35, 38, 40, 42
GND
30 SEL
9, 19, 21, 26, 31,
34, 39, 41
VDD
Type
Differential input
Differential pass-through
input
Differential pass-through
input
Differential input
Differential pass-through
input
Differential pass-through
input
Differential input
Differential pass-through
input
Differential pass-through
input
Differential input
Differential pass-through
input
Differential pass-through
input
Ground input
3.6V tolerant low-voltage
single-ended input
Power supply
Description
Differential input pair from PCIE signal source. Signal is passed
through to the AOa+, AOa- pin respectively when SEL=0. Signal
is passed through to the AOb+, AOb- pin respectively when SEL
= 1.
Differential analog pass-through output. Signal from AI+ and AI-
is passed through AOa+ and AOa- respectively when SEL=0.
Differential analog pass-through output. Signal from AI+ and AI-
is passed through AOa+ and AOa- respectively when SEL=1.
Differential input pair from PCIE signal source. Signal is passed
through to the BOa+, BOa- pin respectively when SEL=0. Signal
is passed through to the BOb+, BOb- pin respectively when SEL
= 1.
Differential analog pass-through output. Signal from BI+ and BI-
is passed through BOa+ and BOa- respectively when SEL=0.
Differential analog pass-through output. Signal from BI+ and BI-
is passed through BOb+ and BOb- respectively when SEL=1.
Differential input pair from PCIE signal source. Signal is passed
through the COa+, COa- pin respectively When SEL=0. Signal is
passed through to the COb+, COb- pin respectively when SEL = 1.
Differential analog pass-through output. Signal from CI+ and CI-
is passed through COa+, COa- pin respectively when SEL = 0.
Differential analog pass-through output. Signal from CI+ and CI-
is passed through COb+, COb- pin respectively when SEL = 1.
Differential input pair from PCIE signal source. Signal is passed
through the DOa+, DOa- pin respectively When SEL=0. Signal is
passed through to the DOb+, DOb- pin respectively when SEL = 1.
Differential analog pass-through output. Signal from DI+ and DI-
is passed through DOa+, DOa- pin respectively when SEL = 0.
Differential analog pass-through output. Signal from DI+ and DI-
is passed through DOb+, DOb- pin respectively when SEL = 1.
Ground
SEL controls the mux through a flow-through latch.
Power, 3.3V ±10%
All trademarks are property of their respective owners.
13-0009
2
www.pericom.com PS8945B.1 03/20/13


Part Number PI3PCIE2415
Description 2:1 Mux/DeMux Switch
Maker Pericom Semiconductor Corporation
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